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Thermal Turbomachinery Design for Closed Thermal Cycles and Multiple Fluids
Closed-cycle gas turbines can complement conventional power conversion systems due to their potential for improved efficiencies, compact system layouts, and the ability to exploit non-fossil fuel energy sources which leads ...
Processing, Structure and Properties of Friction Stir Process Derived In-situ Nano Composites and Foams
High specific-strength materials with high toughness can reduce the weight of automobile and aerospace components. Lightweight components for these applications are essential, as they can significantly improve fuel efficiency. ...
Studies on Friction Stir Welding of Aluminium AA2024 Alloy to Pure Copper
Aluminium-copper joints are widely used in electrical applications due to their unique properties. However, joining of these metals by conventional welding techniques is restricted due to the formation of brittle (bulk ...
Evaporation Driven Oscillations and Particle Agglomeration in Pure and Complex Fluid Sessile Droplets
A sessile droplet forms a fundamental building block in analyzing particle distribution and deposition in both industrial applications and lab on a chip research such as inkjet printing, surface patterning, photonic crystals, ...
Resonances and beats in nonlinear structural acoustic waveguides
In this thesis that is entirely analytical in nature, nonlinear wave propagation in various structural-acoustic waveguide geometries is studied. The waveguides considered include a circular cylindrical waveguide with a ...
Development of PCM coupled heat pipe for space application
Axially grooved aluminium-ammonia heat pipes are extensively used for the thermal control of satellites. Heat pipes efficiently transfer waste heat from the electronic packages, housed inside the satellite, to thermal ...
Shock Dynamics due to Downstream Pressure Perturbations: Idealization of Transonic Unstarted Cascade Flutter
Shock wave unsteadiness is an important phenomenon in high-speed aerodynamics. This
phenomenon is observed in many locations of high-speed vehicles, such as supersonic inlets,
ramjet engines, transonic airfoils, high-speed ...
Experimental studies on Soot and Particulate reduction in Heavy Fuel Oil Combustion
Heavy fuel oil (HFO) is extensively used in industrial burners and marine engines. HFO droplet combustion gives rise to carbon particulates generated by pyrolysis, which are called cenospheres. There is a current hypothesis ...
Experimental Studies on Methanol Sprays for IC Engine Applications
In this work, studies have been conducted on sprays of methanol and its emulsions with diesel towards assessing the potential of methanol as an alternative fuel for IC engines. Methanol can be used in compression ignition ...
Experimental and Numerical Studies on Low Emission Syngas Combustion
The present study concerns experimental and numerical investigation of the combustion of low-calorific value syngas in an optically accessible reverse flow combustion chamber. Several modes of operation are investigated ...